11003057 has 4 divisors (see below), whose sum is σ = 11849460. Its totient is φ = 10156656.

The previous prime is 11003021. The next prime is 11003059. The reversal of 11003057 is 75030011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 6145441 = 2204^2 + 2479^2 .

It is a cyclic number.

It is not a de Polignac number, because 11003057 - 2¹⁸ = 10740913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423182 + ... + 423207.

It is an arithmetic number, because the mean of its divisors is an integer number (2962365).

Almost surely, 2^11003057 is an apocalyptic number.

It is an amenable number.

11003057 is a deficient number, since it is larger than the sum of its proper divisors (846403).

11003057 is an equidigital number, since it uses as much as digits as its factorization.

11003057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846402.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 11003057 is about 3317.0856184307. The cubic root of 11003057 is about 222.4186092916.

Adding to 11003057 its reverse (75030011), we get a palindrome (86033068).

The spelling of 11003057 in words is "eleven million, three thousand, fifty-seven".